85150739
Oct 12, 2010
Rigid protective elements, namely, reinforced cement or non-metal composite shell structures for protecting subsurface conduit, pipes, pipelines and other subterranean structures
Nonmetallic Building MaterialsConstruction services, namely, excavating a roadway and applying a rigid protective element, namely, a reinforced cement or composite shell structure, over subsurface conduit, pipes, pipelines and other subterranean structures to protect the same
Building Construction and Repair